
Diesel Fuel Supplement is a winter additive that prevents fuel gelling and protects against fuel-filter icing. It is intended for use during the winter months when temperatures drop below +30°F. The amount of supplement added to diesel fuel depends on the temperature and type of diesel fuel. For example, at temperatures above 0°F, you would add 12, 16, or 26 ounces of supplement to 40 gallons of diesel fuel. However, when temperatures drop below 0°F or when using biodiesel blends, the same amounts of supplement are added to 20 gallons of diesel fuel.
| Characteristics | Values |
|---|---|
| Amount of Diesel Fuel Supplement to use at temperatures above 0°F | 12, 16, or 26 ounces to 40 gallons of diesel fuel |
| Amount of Diesel Fuel Supplement to use at temperatures below 0°F or when using biodiesel blends | 12 or 16 ounces to 20 gallons of diesel fuel |
| Amount of Diesel Fuel Supplement to use at temperatures above 0°F (32-ounce bottle) | 32 ounces to 100 gallons of diesel fuel |
| Amount of Diesel Fuel Supplement to use at temperatures below 0°F or when using biodiesel blends (32-ounce bottle) | 32 ounces to 50 gallons of diesel fuel |
| General guideline for temperatures above 0°F | 1 ounce of supplement per 3 gallons of diesel fuel |
| General guideline for temperatures below 0°F | 1 ounce of supplement per 1.5 gallons of fuel |
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What You'll Learn

12-ounce Diesel Fuel Supplement + Cetane Boost
Diesel Fuel Supplement +Cetane Boost is a winterizer/antigel used to prevent fuel gelling and protect against fuel-filter icing in diesel fuel engines. It is intended for use only during the cold winter months when temperatures drop below +30°F.
The 12-ounce Diesel Fuel Supplement +Cetane Boost is added to diesel fuel in varying amounts depending on the temperature. At temperatures above 0°F, the entire contents (12 ounces) are added to 40 gallons of diesel fuel. When temperatures drop below 0°F or when using biodiesel blends, the entire contents are added to 20 gallons of diesel fuel.
Customers have found the product to be effective, with some noting that it has been effective for over 30 years and one mentioning it performs at -12°F temperatures. It is also said to be good value for money, potentially saving hundreds of dollars in repair costs.
One customer review states that they use a 1/3 oz of Diesel Kleen per gallon of diesel fuel, and they have noticed improved fuel mileage. Another review mentions that they add a 16-ounce bottle of Diesel Kleen to each fill-up, resulting in better fuel mileage and a higher cetane rating for their diesel fuel.
In addition to the 12-ounce option, Diesel Fuel Supplement +Cetane Boost is also available in a range of sizes, including 16-ounce, 26-ounce, 32-ounce, 64-ounce, 80-ounce, 1-gallon, 2.5-gallon, 55-gallon drum, 260-gallon tote, and bulk quantities.
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16-ounce Diesel Fuel Supplement + Cetane Boost
If you're looking for a reliable diesel additive to improve your engine's performance and keep it running smoothly all year round, Power Service's Diesel Fuel Supplement +Cetane Boost is a great option. This additive is designed to prevent fuel gelling and protect against fuel-filter icing, ensuring trouble-free operation during the cold winter months.
The 16-ounce bottle of Diesel Fuel Supplement +Cetane Boost is specifically intended for use with 40 gallons of diesel fuel. It is recommended to add the entire contents of the 16-ounce bottle to achieve optimal results. This product is part of a range of bottle sizes offered by Power Service, including 12-ounce, 26-ounce, 32-ounce, 64-ounce, 80-ounce, 1-gallon, 2.5-gallon, 55-gallon drum, 260-gallon tote, and bulk options.
Diesel Fuel Supplement +Cetane Boost is a winterizer/antigel that addresses issues arising from cold temperatures. When the temperature drops, the paraffin (wax) in ULSD fuel can gel, causing the fuel to stop flowing through the engine. Additionally, water in the fuel can freeze on fuel filters, blocking fuel flow. By using this additive, you can prevent fuel gelling and keep your fuel filters clear of ice and wax buildup.
This product is particularly useful if your vehicle struggles to start or gain power in cold weather. For temperatures above 0°F, the 16-ounce bottle is sufficient for 40 gallons of diesel fuel. However, when temperatures drop below 0°F or when using biodiesel blends, it is recommended to use the entire 16-ounce bottle with 20 gallons of diesel fuel.
With Power Service's Diesel Fuel Supplement +Cetane Boost, you can rest assured that your diesel engine will perform at its best, even during the harshest winter conditions. It's a trusted choice for improving engine performance and maintaining proper fuel tank hygiene.
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Preventing fuel gelling
Diesel fuel gelling is a common issue in colder climates, where the fuel thickens or 'gels', hindering the engine's operations and impacting the vehicle's ability to start. This occurs when the temperature drops to 32ºF, causing the liquid wax in the fuel to turn to crystals, which then begin to gel at 10ºF to 15ºF. This can wreak havoc on your fuel system, causing it to fail, so it is important to take preventive measures.
Firstly, you can use high-quality cold-weather diesel additives or anti-gelling additives to prevent the diesel fuel from thickening. These additives can lower the pour and gel points, allowing your engine to perform better at lower temperatures. Depending on your location, your fuel provider may have already added this treatment to the fuel. If not, you can purchase the additive and pour it into your tank. The amount of additive to use depends on the specific product and your tank size. For example, Power Service's Diesel Fuel Supplement +Cetane Boost is available in various sizes, and the amount you use depends on the temperature and whether you are using biodiesel blends.
Another way to prevent fuel gelling is to keep your vehicle warm. You can store your vehicle in a climate-controlled garage or heated environment, or use light bulbs, a tarp and heater, or a block heater to keep your engine warm. However, these methods can increase your energy bill, and you may need to consider other methods if you want to keep energy costs low.
You can also use kerosene to prevent diesel fuel from gelling by modifying the fuel mixture. Kerosene has a lower gelling point than diesel fuel, so mixing it with diesel fuel lowers the freezing point.
Finally, it is important to properly fuel your vehicle for the conditions you are in. Switch to a premium winterized diesel with anti-gelling properties, and check if there are already winterizing additives in your fuel or if you need to add them yourself. The number of anti-gelling additives you add depends on the temperature, so the lower the temperature, the more additive you should use.
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Protecting against fuel-filter icing
To answer your first question, the amount of diesel fuel supplement to add to 40 gallons of diesel fuel depends on the product and the temperature. For instance, Power Service Diesel 911 recommends adding 12 ounces of the supplement to 40 gallons of diesel fuel at temperatures above 0°F. At temperatures below 0°F, the recommended amount is 12 ounces to 20 gallons of diesel fuel.
Now, let's discuss protecting against fuel-filter icing:
In cold temperatures, diesel fuel is at risk of gelling, and water in the fuel can freeze on fuel filters, blocking fuel flow. This can lead to serious mechanical issues, including engine malfunction. To prevent this, a diesel fuel supplement or additive can be used. These supplements are designed to prevent fuel gelling and keep fuel filters from becoming plugged with ice and wax.
One such product is the Diesel Fuel Supplement +Cetane Boost by Power Service, which is intended for use during the winter months when temperatures drop below +30°F. It is available in various sizes, including 12-ounce, 16-ounce, and 26-ounce bottles.
Another option is to use an anti-icing fuel additive, commonly used in aviation to protect aircraft engines from ice buildup. These additives lower the freezing point of water, preventing it from turning into ice within the fuel system. They may also contain surfactants and dispersants that cause moisture droplets to break down and disperse within the fuel, further reducing the risk of ice formation.
For example, PRIST Hi-Flash HI-FLO Anti-Icing Aviation Fuel Additive is designed to protect aircraft fuel systems from ice crystal formation. It is recommended to use this additive at a dosage rate of 0.1% minimum to 0.15% maximum by volume with each refuelling.
By using the appropriate diesel fuel supplements or anti-icing fuel additives, you can effectively protect against fuel-filter icing and ensure the optimal performance of your engine during cold weather conditions.
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Using in cold temperatures
Diesel Fuel Supplement +Cetane Boost is a winterizer/antigel used during the cold winter months to prevent fuel gelling and protect against fuel-filter icing. It is intended for use only when temperatures drop below +30°F. It is available in 12-ounce, 16-ounce, and 26-ounce bottles, among other sizes.
If temperatures are above 0°F, add 12 or 16 ounces of Diesel Fuel Supplement to 40 gallons of diesel fuel. When temperatures drop below 0°F, or when using biodiesel blends, add the entire contents (12 or 16 ounces) to 20 gallons of diesel fuel.
In extremely cold temperatures, diesel fuel can gel, blocking fuel flow through the engine. Water in the fuel can also freeze, blocking fuel flow. This is because diesel fuel contains wax, and as temperatures drop, the wax begins to thicken and crystallize, giving the fuel a cloudy appearance. This is known as the fuel's Cloud Point, which typically occurs between 32 and 10 degrees Fahrenheit.
Diesel Fuel Supplement doesn't prevent wax crystals from forming. Instead, it modifies their shape and size, allowing diesel fuel to flow past the crystal accumulation at much lower temperatures. This is achieved by adding the supplement before wax crystals begin to form and the appearance of the fuel becomes cloudy.
If your vehicle will not start or gain power in cold temperatures, use Power Service Diesel 911 (in the red bottle) as directed on the container. After the engine is running, add Diesel Fuel Supplement +Cetane Boost.
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Frequently asked questions
12 or 16 ounces of diesel fuel supplement should be added to 40 gallons of diesel fuel when temperatures are above 0°F.
16 ounces of diesel fuel supplement should be added to 40 gallons of diesel fuel when temperatures are below 0°F or when using biodiesel blends.
Diesel fuel supplements are used in cold winter months to prevent fuel gelling and keep fuel filters from plugging with ice and wax, ensuring trouble-free engine operation.
Yes, diesel fuel supplements are available in different sizes, including 12-ounce, 16-ounce, 26-ounce, 32-ounce, and larger bulk options.
Diesel additives, such as Power Service's Diesel 911, can be used to improve engine performance and provide trouble-free winter operation for diesel engines. These additives can enhance fuel efficiency and engine maintenance.










































